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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Sep 28 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
28 Sep 2019	068	040
29 Sep 2019	069	022
30 Sep 2019	069	012

Bulletin

Solar X-ray flux remained below B class levels throughout the period. The Solar disk is spotless and the X-ray flux is expected to remain at or below background levels.

There were no Earth-directed Coronal Mass Ejections (CME) observed in coronagraph data.

Proton levels were at background values and are expected to remain so.

The solar wind speed has increased from 500 to 700 km/s yesterday as we entered a high speed stream (HSS) from a recurrent positive polarity coronal hole, and has remained at high levels since then. The total magnetic field strength has fluctuated between 6 and 15 nT. The Bz ranged between -10 and 6 nT. Geomagnetic conditions ranged between Kp index 1-5 (NOAA) and local K index 2-5 (Dourbes).

The Solar wind conditions will remain at enhanced levels over the next 24 hours before slowly declining over the following days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 19 Stationen.

Solarindizes für den 27 Sep 2019

Wolf-Zahl Catania	000
10cm Solarflux	066
AK Chambon La Forêt	044
AK Wingst	026
Geschätzer Ap-Wert	025
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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